gbks.dk DNS records

🖥️ Nameservers2 records 135ms

Nameserver	IP addresses	PTR	ASN / ISP
martin.ns.cloudflare.com	108.162.195.87 162.159.44.87 172.64.35.87 2606:4700:58::a29f:2c57 2803:f800:50::6ca2:c357 2a06:98c1:50::ac40:2357	martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
walk.ns.cloudflare.com	108.162.194.128 162.159.38.128 172.64.34.128 2606:4700:50::a29f:2680 2803:f800:50::6ca2:c280 2a06:98c1:50::ac40:2280	walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.160	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.3	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	gbks-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::26 2a01:111:f403:ca09::9 52.101.68.0 52.101.68.10 52.101.68.5 52.101.73.19	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.6.160
🔶 Autoconfig	104.21.6.160

🔷 AAAA Records (IPv6)2 records 126ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:6a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8703	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 117ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.160,172.67.135.3 ech=AEX+DQBBBAAgACB+FYP9Hp+MawXwVPA5Uwz+yLL3LQzSzPRUsXqwoFD0FwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:6a0,2606:4700:3037::ac43:8703

📝 TXT Records3 records 413ms

TXT Record
google-site-verification=nAoSM02Fj42mTsWjEyTCzHnO1lHFxjwckLYcaSoqdls
MS=ms35371745
v=spf1 a mx include:spf.curanet.dk include:spf.protection.outlook.com include:web.shared.mysmtp.com ip4:193.8.36.0/22 ~all

✉️ SPF

Policy	Record (gbks.dk)
~all (soft fail)	v=spf1 a mx include:spf.curanet.dk include:spf.protection.outlook.com include:web.shared.mysmtp.com ip4:193.8.36.0/22 ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.gbks.dk	f5rap6eogckdUfi-yoRyPzIRsTqT9LeaMsWU8HbNDb4
TXT	_acme-challenge.gbks.dk	xVNbtSymNwX5DjZqVrmVkerjzZV3ukHqhUVeVOK3R-c

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC271ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413621239
Primary NS (MNAME)	martin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

135ms

A

105ms

MX

120ms

AAAA

126ms

TXT

413ms

CAA

143ms

HTTPS

117ms

TLSA

1211ms

SOA

0ms

MTA-STS

220ms

DNSSEC

271ms

SRV

157ms

Total

3282ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 09:38:32	3282ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 17:13:45	1326ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-15 21:52:51	1463ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 16:08:20	3147ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 10:34:38	1173ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 15:12:02	1317ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 10:07:51	9376ms	2 NS 2 A 1 MX	🔓 Insecure	View